Short Answer
A scientist is studying the relationship between wind velocity (x) and DC output of a windmill (y). The following MINITAB output is from a regression analysis for predicting y from x. What is the least squares regression line?
= ______________
Predict the DC output for a wind velocity of 22 mph.
______________
What is the value of the error sum of squares?
______________
One of the assumptions about the random error in the regression model is that the values of
have a common variance equal to
. What is the best estimator of
?
______________
What is the coefficient of determination?
______________
Does a linear relationship exist between x and y? Test using = 0.05.
What is the p-value?
______________
Conclude:
______________
A linear relationship ______________ exist between x and y.
Correct Answer:

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